Genuine OEM Audi Adjustment Washer, part number 0A3311673. This adjustment washer is a critical component used within the transmission and drivetrain assembly for making precise adjustments to gear meshing or bearing preload. It is located within the gearbox housing. The washer has a diameter of approximately 44mm and a thickness of 2mm, weighing 0.004 kg. Genuine OEM adjustment washers are essential for transmission longevity and performance, as they are manufactured to exact tolerances for hardness and dimensions to prevent premature wear and ensure smooth operation.